| 1. |
- Alamerew, Yohannes A., et al.
(författare)
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A Multi-Criteria Evaluation Method of Product-Level Circularity Strategies
- 2020
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Ingår i: Sustainability. - : MDPI. - 2071-1050. ; 12:12
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Tidskriftsartikel (refereegranskat)abstract
- The circular economy (CE) can drive sustainability. For companies to select and implement circularity strategies, they need to evaluate and compare the performance of these strategies both in terms of progress towards CE but also based on their feasibility and business outcomes. However, evaluation methods for circularity strategies at the product level are lacking. Therefore, this research proposes a multi-criteria evaluation method of circularity strategies at the product level which can be used by business decision-makers to evaluate and compare the initial business of the company, transformative and future circularity strategies. This multi-criteria evaluation method aims to assist business decision-makers to identify a preferred strategy by linking together a wide variety of criteria, i.e., environmental, economic, social, legislative, technical, and business, as well as by proposing relevant indicators that take into consideration, where possible, the life cycle perspective. It also allows for flexibility so that criteria, sub-criteria, and weighing factors can be altered by the business decision-makers to fit the needs of their specific case or product. Two illustrative examples based on case companies are presented to verify and illustrate the proposed method.
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| 2. |
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| 3. |
- Bengtsson, Marcus, et al.
(författare)
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Combining Ontology and Large Language Models to Identify Recurring Machine Failures in Free-Text Fields
- 2024
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Ingår i: Sustainable Production through Advanced Manufacturing, Intelligent Automation and Work Integrated Learning. - : IOS Press. - 9781643685106 - 9781643685113 ; , s. 27-38
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Konferensbidrag (refereegranskat)abstract
- Companies must enhance total maintenance effectiveness to staycompetitive, focusing on both digitalization and basic maintenance procedures.Digitalization offers technologies for data-driven decision-making, but manymaintenance decisions still lack a factual basis. Prioritizing efficiency andeffectiveness require analyzing equipment history, facilitated by usingComputerized Maintenance Management Systems (CMMS). However, CMMS dataoften contains unstructured free-text, leading to manual analysis, which is resourceintensiveand reactive, focusing on short time periods and specific equipment. Twoapproaches are available to solve the issue: minimizing free-text entries or usingadvanced methods for processing them. Free-text allows detailed descriptions butmay lack completeness, while structured reporting aids automated analysis but maylimit fault description richness. As knowledge and experience are vital assets forcompanies this research uses a hybrid approach by combining Natural LanguageProcessing with domain specific ontology and Large Language Models to extractinformation from free-text entries, enabling the possibility of real-time analysis e.g.,identifying recurring failure and knowledge sharing across global sites.
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| 4. |
- Bengtsson, Marcus, 1977-, et al.
(författare)
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Combining Ontology and Large Language Models to Identify Recurring Machine Failures in Free-Text Fields
- 2024
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Ingår i: Advances in Transdisciplinary Engineering. - : IOS Press BV. - 9781643685106 - 9781643685113 ; , s. 27-38
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Konferensbidrag (refereegranskat)abstract
- Companies must enhance total maintenance effectiveness to stay competitive, focusing on both digitalization and basic maintenance procedures. Digitalization offers technologies for data-driven decision-making, but many maintenance decisions still lack a factual basis. Prioritizing efficiency and effectiveness require analyzing equipment history, facilitated by using Computerized Maintenance Management Systems (CMMS). However, CMMS data often contains unstructured free-text, leading to manual analysis, which is resource-intensive and reactive, focusing on short time periods and specific equipment. Two approaches are available to solve the issue: minimizing free-text entries or using advanced methods for processing them. Free-text allows detailed descriptions but may lack completeness, while structured reporting aids automated analysis but may limit fault description richness. As knowledge and experience are vital assets for companies this research uses a hybrid approach by combining Natural Language Processing with domain specific ontology and Large Language Models to extract information from free-text entries, enabling the possibility of real-time analysis e.g., identifying recurring failure and knowledge sharing across global sites.
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| 5. |
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| 6. |
- Brambila-Macias, Sergio Andres, 1980-, et al.
(författare)
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Interdisciplinary Insights Found for Product/Service System Design
- 2016
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Ingår i: DS 84: PROCEEDINGS OF THE DESIGN 2016 14TH INTERNATIONAL DESIGN CONFERENCE, VOLS 1-4. - : The Design Society. ; , s. 137-144
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Konferensbidrag (refereegranskat)abstract
- Product/Service System (PSS) is a different way of fulfilling customer needs by providing a bundle of products and services. PSS is by nature an interdisciplinary field of research that needs collaboration across disciplines. This research paper investigates how much interdisciplinary research has been carried in terms of insights used between two important disciplines, namely, Engineering Design and Industrial Marketing. The results show that few insights have been used across disciplines which shows a gap for further research.
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| 7. |
- Brambila-Macias, Sergio A., 1980-, et al.
(författare)
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State of the Art of Design Methods for Resource Efficient and Effective Solutions : Report from “Product and Service Design Methods for REES” Project of Mistra REES program
- 2017
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- This document reports on the results of work packages (WPs) 2.1 and 2.2 in Project 2 (Product and Service Design Methods for REES, i.e. resource efficient and effective solutions) of the Mistra REES program (www.mistrarees.se). WP 2.1 and WP 2.2 aim at documenting current use of design methods and deriving requirements for design methods, respectively. The document only covers results from the scientific literature review, while other reports to be developed will cover results, for instance, from the interview study and the design session with industry partners in the Mistra REES consortium. The results of the literature review will be a foundation for WP 2.3, which aims at developing new design methods. Note that methods here include frameworks, tools, and support for designers.The document describes current use (i.e., “as‐is” status) of product and service design methods when designing REES, as well as requirements for product and service design methods for REES (i.e., information soon‐to‐be). Both of these are results of analysis in different phases of an early phase of design for REES. Those phases consist of requirement specification, conceptual design, and analysis and evaluation, which can be ordered temporally along the design process.From the overall analysis, found is a lack of insights about methods for designing REES, although potentially useful methods are available. This means advancement of knowledge is insufficient for industry within the subject, which is relatively new. It may also mean the developed methods are not precisely according to the needs of companies. This shows a high potential of developing new methods in the rest of the project.More specifically, in the requirement specification, the literature shows that potentially useful methods include QFD (Quality Function Deployment), the Taguchi method, the Kano model, and data mining, among others. In the conceptual design, numerous methods exist, and most of them were developed in an older context, where REES was not as relevant as today. Those methods include DfX methods (X denotes cost, assembly, etc.), the functional block diagram, the checklist, morphological analysis, and the Fishbone Diagram. Only a few seem to be used widely in industry today. In the analysis and evaluation, available methods include Lifecycle Simulation, Lifecycle Costing, multi‐criteria decision making, and the Analytical Hierarchy Process. Most of the methods or tools available specialise in one area. This is a problem when developing an integrated offering of products and services, because designers need to have a holistic perspective for that.Regarding requirements for methods to be developed, the authors analysed literature as follows. In the requirement specification, requirements originating from multiple aspects and actors need to be taken into account. Since an enormous amount of data and information can be collected from products and by technologies implemented today, a huge opportunity is presented for enhancing requirement specification. Yet, there seems to be little insights to take this opportunity. In conceptual design, it is important to identify and involve relevant actors as well as their requirements according to a number of scientific reports. Especially, interaction between the relevant actors seems to be critical to be implemented. In analysis and evaluation, various pieces of earlier research works recommend different features to be implemented in methods. These features include visualization of information and information flows, graphical user interface, multiple users’ participation, and ability to handle environmental information, uncertainty and risk.
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| 8. |
- Brambila-Macias, Sergio A., 1980-, et al.
(författare)
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Support for Designing Resource Efficient and Effective Solutions: Current Use and Requirements by Swedish Industry : Report from “Product and Service Design Support for REES” Project of Mistra REES program
- 2017
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- This document reports on the results of work packages (WPs) 2.1 and 2.2 in Project 2 (Product and Service Design Support for REES, i.e. resource efficient and effective solutions) of the Mistra REES program (www.mistrarees.se). WP 2.1 and WP 2.2 aim at documenting current use of design support and deriving requirements for design support, respectively. The document only covers results from interviews with companies, while the other reports will cover results, for instance, from scientific literature review (ISRN: LIU‐IEI‐RR‐‐17/00264—SE) and the design session with industry partners in the Mistra REES consortium. The results of this research into industrial practice will be a foundation for WP 2.3, which aims at developing new design support for designers.The document describes current use (i.e., “as‐is” status) of product and service design support when designing REES, as well as requirements for product and service design support for REES (i.e., information soon‐to‐be). Both of these are results of analysis in different phases of an early phase of design for REES. Those phases consist of requirement specification, conceptual design, and analysis and evaluation, which can be ordered temporally along the design process.Eight Sweden‐based companies that provide products and services in different sectors and work on resource efficiency participated in the interviews. They vary in terms of the size: from small to large. 24 individual interviews were conducted in total with the length being between 54 and 117 minutes (with two additional shorter follow up interviews via phone/skype). The 24 interviews were carried out all with face to face between May and July, 2016. The result from each company is described per section in this report, while cross‐company analysis will be made in a separate document.
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| 9. |
- Brambila-Macias, Sergio, 1980-, et al.
(författare)
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Analysis and evaluation in the early stages of designing resource efficient offerings : A comparison among large companies and small and medium enterprises
- 2019
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Ingår i: Proceedings of the Design Society. - Cambridge University Press : Cambridge University Press (CUP). ; , s. 3161-3170
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Konferensbidrag (refereegranskat)abstract
- In Europe there is a common vision to transform the economy into a sustainable one by 2050 which among other changes, calls for companies to address their offerings in a more resource-efficient manner. Therefore, efforts to provide design support namely, methods, guidelines and tools to specifically address natural resources and impact of products and services have been increasing. Moreover, companies of all sizes should integrate environmental concerns as early as possible to select profitable and environmentally sound offerings. However, knowledge of the analysis and evaluation of resourceefficient offerings seems currently insufficient especially with regards to similarities and differences among different company sizes. In this paper, the study of eight case companies: 3 large companies and 5 SMEs, shows how industry addresses the analysis and evaluation of their offerings. Commonalities among SMEs and large companies include decisions made by strategic or managerial boards, the use of mock-ups and project management skills, among others. These findings could help academics in providing relevant, useful and usable support to industry.
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| 10. |
- Brambila-Macias, Sergio, 1980-, et al.
(författare)
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Design support needs to realize more effective and resource-efficient offerings : A comparison among large companies and small and medium enterprises
- 2021
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Ingår i: Frontiers in Sustainability. - Lausanne : Frontiers Media S.A.. - 2673-4524. ; 2
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Tidskriftsartikel (refereegranskat)abstract
- In an economic paradigm where companies think that more is better and resources are considered infinite, waste, pollution, and environmental degradation are often the result. This can, in turn, be addressed by companies focusing on offerings that are both effective and resource efficient. However, this type of offerings can be more uncertain and complex due to multiple factors such as multiple actors and conflicting objectives taking place at once. Dedicated design support for the relatively new offerings will be helpful for designers in industry. Large and small companies could benefit from the dedicated design support to successfully realize these types of offerings. However, the type of support they might need is not clear. Differences and similarities among large and small companies could guide researchers in providing more reliable support. Therefore, the aim of this research is to present differences and similarities of design support needs among large companies and small and medium enterprises. This is carried out through semi-structured interviews and follow-up meetings. The results show that differences include a formal product realization process for large companies and an informal or no process for smaller ones. Similarities point at design support for better communication and management of their offerings with regard to lead time as well as lifecycle and strategic thinking for decision making. The conclusions highlight the importance for researchers to provide design support that purposefully addresses specific needs.
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